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S4, also known as Andarine, is a selective androgen receptor modulator (SARM) that has been associated with potential benefits for muscle growth and physical performance, as highlighted in various research studies.

50ml Bottle Contains 1250mg Andarine S4


495 in stock

495 in stock

First time customer gets 15% discount code = 1storder

Andarine S4 Liquid SARM Dropper

S-4, also known as Andarine, is a Selective Androgen Receptor Modulator (SARM) that has received attention for its potential to promote skeletal muscle growth and performance. S-4, a SARM, is known for its specific binding to androgen receptors in muscle and bone tissues. This specific binding method is thought to lead to an increase in muscle size and strength, as well as improved athletic performance, without the negative side effects associated with typical anabolic steroids.

One of S-4’s key advantages is its ability to increase muscle growth due to its high androgen binding affinity, resulting in larger muscular tissue size. Furthermore, Andarine S4 liquid has been linked to increased endurance and stamina, allowing people to push through strenuous activities with more vigour and resilience.

  Andarine S4 Sarms is also known as Acetamidoxolutamide; Androxolutamide; GTx-007; S-4, it was initially developed by GTx Inc .

Benefits of Andarine S4 Liquid SARM

Bone & Muscle Wasting

This selective androgen receptor modulator can help prevent muscle waste and retain gains from anabolic cycles. According to research, Andarine S4 liquid was initially developed to treat osteoporosis (a bone condition that causes bones to become weak and brittle), muscle atrophy, and BPH (benign prostatic hyperplasia), which is an enlarged prostate. 

Increased Muscle Mass

During clinical trials, Andarine S4 Liquid SARM demonstrated promise in increasing bone, muscle mass, and strength without adding water weight. It works by binding to androgen receptors, with bone and muscle selectivity. It works by modifying gene expression, resulting in a massive increase in protein synthesis and bodily anabolism. An S4 Andarine cycle can lead to increased vascularity, dry, lean, and stronger muscles.

Cut & Bulk

Known for its excellent oral bioavailability, Andarine S4 liquid SARM is highly flexible and can be used to cut, recompose or bulk.

Anabolic Effects

Andarine S4 is less anabolic than other SARMs, although it remains strongly androgenic. S4 Andarine is regarded as the least anabolic and most androgenic sarm on the market. Androgenic SARMs can stimulate fat oxidation when they bind to the androgen receptor. It effectively loosens resistant abdominal and visceral fat. Users find it most effective in reducing body fat while increasing energy, and it is good for building lean muscle.

Fat Loss

Andarine studies have also shown that this substance boosts resilience and power even when calorie deficits are present. In addition to weight and fat loss, Andarine S4 Liquid SARM can help you gain lean muscle.

Like our S-4 Liquid? Shop more Andarine S-4 Liquid products here from Direct SARMS


[1] Selective androgen receptor modulator treatment improves muscle strength and body composition and prevents bone loss in orchidectomized rats. Endocrinology. 2005 Nov;146(11):4887-97 by Gao W, Reiser PJ, Coss CC, Phelps MA, Kearbey JD, Miller DD, Dalton JT.

[2]  Therapies for musculoskeletal disease: can we treat two birds with one stone? Curr Osteoporos Rep. 2014 Jun;12(2):142-53. by Girgis CM, Mokbel N, Digirolamo DJ.

Formula: C19H18F3N3O6

Molar mass: 441.357 g/mol

Do I need PCT & other supplements?

Post-cycle therapy (PCT) is deemed necessary when taking Andarine S4 Liquid, according to scientific research. The administration of PCT alongside S-4 SARM has been shown to aid in the preservation of muscular mass, fat burning, and an elevation in mood and energy levels.

The use of certain selective androgen receptors (SARMS) may lead to temporary suppression of natural testosterone levels. Therefore, it is imperative to restore testosterone levels to their baseline after completing a SARMS cycle in order to maintain the achieved results. The duration of the PCT should correspond to the duration of the SARMS cycle length.

While a Post Cycle Therapy is not a compulsory requirement during SARMS usage, it is prudent for science researchers to opt for PCT for a duration of at least four weeks, as a precautionary measure. Accordingly, some bodybuilders advocate for the incorporation of a test booster as part of their regimen.

Interested in Sarms Supplements? Check out post cycle therapy, cycle support & test base here.


DISCLAIMER: These products are intended solely as a research chemical only. This classification allows for their use only for research development and laboratory studies. The information available on our Direct Sarms website is provided for educational purposes only. These products are not for human or animal use or consumption in any manner. Handling of these products should be limited to suitably qualified professionals. They are not to be classified as a drug, food, cosmetic, or medicinal product and must not be mislabelled or used as such.


S4 Andarine HPLC Certificate

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